ES-7908 Rev.9

M6NXAS

Screw Terminal Ultra-Slim Signal Conditioners M6N Series

DC ALARM

(PC programmable)
Functions & Features
• 7.5-mm wide ultra-slim design
• Low profile allows the M6N module mounted in a 120-mm deep panel
• Provides a relay contact output at preset DC input levels
• PC programmable
• High-density mounting
• Power and status indicator LEDs

MODEL: M6NXAS–[1]–R[2]

ORDERING INFORMATION

• Code number:  M6NXAS-[1]-R[2]
Specify a code from below for each of [1] and [2].
  (e.g. M6NXAS-Z1-R/Q)
• Input range (e.g. 4 – 20 mA DC)
• Specify the specification for option code /Q
  (e.g. /C01/SET)

[1] INPUT

Current
Z1: Range 0 – 50 mA DC (Input resistance 24.9 Ω)
Voltage
S1: Range -1000 – +1000 mV DC (Input resistance 1 MΩ min.)
S2: Range -10 – +10 V DC (Input resistance 1 MΩ min.)
(Configurator software is used to change input over the described range of the selected suffix code.
For changing between suffix codes, set the Input Range Selector on the side of unit before software adjustment.)

OUTPUT

Relay; SPDT or transfer contact

POWER INPUT

DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[2] OPTIONS

blank: none
/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to our web site.)
/C01: Silicone coating
/C02: Polyurethane coating
EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
 (No. ESU-7828)

RELATED PRODUCTS

• PC configurator software (model: M6CFG)
Downloadable at our web site.
A dedicated cable is required to connect the module to the PC.  Please refer to the internet software download site or the users manual for the PC configurator for applicable cable types.

GENERAL SPECIFICATIONS

Connection
Input and output
: M3 screw terminal (torque 0.5 N·m)
Power input: Via the Installation Base (model: M6NBS)
or  M3 screw terminal (torque 0.5 N·m)
Recommended solderless terminal: Max. 5.8 mm (0.23”)
wide; Ones with insulation sleeve do not fit.
Applicable wire size: 0.2 – 2.5 mm2
Housing material: Flame-resistant resin (black)
Isolation: Input to output to power
Power indicator LED: Green LED turns on when the power is supplied.
Status indicator LED: Orange LED; Blinking patterns indicate different operating status of the transmitter.
Alarm monitor LED: Red LED turns on when the alarm is tripped.
Programming: Downloaded from PC
Input type and range
Input fine adjustments
Alarm setpoint (input %)
Trip action (High or Low)
Relay coil (energized or de-energized)
Power ON delay time (0 to 999 sec.)
Alarm ON delay time (0 to 999 sec.)
Hysteresis (deadband) (input %)
Alarm test, and others
For detailed information, refer to the users manual for the PC configurator.
Configurator connection: 2.5 dia. miniature jack;
RS-232-C level
Factory default setting
 Alarm setpoint: 80 %
 Trip action: High
 Relay coil at alarm: Energized
 Power ON delay time: 5 sec.
 Alarm ON delay time: 0 sec.
 Hysteresis (deadband) : 1.0 %
■Recommended solderless terminal (unit: mm [inch])

INPUT SPECIFICATIONS

DC Current: Input resistor incoporated
(If not specified, the input range is 4 – 20 mA DC.)
Input range: 0 – 50 mA DC
Minimum span: 2 mA
Offset: Lower range can be any specific value within the input range provided that the minimum span is maintained.
DC Voltage
•Code S1 (narrow spans)
  Input range
: -1000 – +1000 mV DC
  Minimum span: 100 mV
•Code S2 (wide spans)
  Input range
: -10 – +10 V DC
  Minimum span: 1 V
Offset: Lower range can be any specific value within the input range provided that the minimum span is maintained.
If not specified, the input range is shown below.
S1: 0 – 100 mV DC
S2: 1 – 5 V DC

OUTPUT SPECIFICATIONS

Relay Output
Relay rating:
250 V AC @2 A (cos ø = 1)
30 V DC @2 A (resistive load)
Maximum switching voltage: 250 V AC or 125 V DC
Maximum switching power: 500 VA or 60 W
Minimum load: 5 V DC @100 mA
Mechanical life: 5 × 106 cycles (rate 180/min.)

INSTALLATION

Power consumption: Approx. 0.5 W
Operating temperature: -20 to +55°C (-4 to +131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Installation Base (model: M6NBS) or DIN rail
Weight: 65 g (2.3 oz)

PERFORMANCE in percentage of span

Setpoint accuracy (trip point accuracy) : ±0.05 %
Setpoint accuracy is inversely proportional to the input span.
[Example] Input type 0 – 50 mA, Input range 4 – 20 mA
Max. Input Range (50 mA) ÷ Span (16 mA) × 0.05 %
= ±0.16 %
Temp. coefficient: ±0.01 %/°C (±0.006 %/°F) of max. span
Response time: ≤ 0.2 sec. (0 – 100 % at 90 % setpoint)
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @1 minute  (input to output to power to ground)

STANDARDS & APPROVALS

EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
Low Voltage Directive
  EN 61010-1
  Measurement Category II (output)
  Pollution Degree 2
Input or power to output: Reinforced insulation (300 V)
Input to power: Basic insulation (300 V)
RoHS Directive

EXTERNAL VIEW

The DIP switch setting is required to select input types before setting a precise input range using PC Configurator Software (model: M6CFG).
Refer to the instruction manual for detailed procedures.

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM